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What Makes Apple's Power Mac G5 Processor So Hot

An anonymous reader writes "58 million transistors can drive a lot of power. Apparently, Apple appreciated the choices IBM processor architects made when designing the 970 family. This article provides the 64-bit architecture big picture for the 970 family (A.K.A. the Power Mac G5) and the critical issues in IBM's 64-bit POWER designs, covering 32-bit compatibility, power management, and processor bus design."

3 of 313 comments (clear)

  1. anyone else noticed how COOL the AMD-64 chips run? by linuxbaby · · Score: 1, Offtopic

    On a related note, has anyone else noticed how COOL the AMD-64 chips run?

    I got my first AMD-64 last month and was assuming it would be burning hot (fast = hot, right?) - but was surprised that even under heavy load, I was able to hold my hand on the heatsink and it was barely warm.

    Can anyone explain why this is?

  2. Whoah, here's the problem... by LegendOfLink · · Score: 1, Offtopic

    ...somebody set this thing to "evil!"

  3. Re:Heat Problem Back Ground by macaulay805 · · Score: 1, Offtopic

    RTFA? You must be new here .. (or me)